diff --git a/README.md b/README.md
index f4ccc78e9dc..8100cabddbe 100644
--- a/README.md
+++ b/README.md
@@ -137,7 +137,7 @@ See the [ChangeLog](https://github.com/Dolibarr/dolibarr/blob/develop/ChangeLog)
 - Multi-company by adding of an external module.
 - Very user friendly and easy to use.
 - Highly customizable: enable only the modules you need, add user personalized fields, choose your skin, several menu managers (can be used by internal users as a back-office with a particular menu, or by external users as a front-office with another one)
-- Works with PHP 5.3+ and MariaDB 5.0.3+, MySQL 5.0.3+ or PostgreSQL 8.1.4+ (See requirements on the [Wiki](https://wiki.dolibarr.org/index.php/Prerequisite))
+- Works with PHP 5.5+ and MariaDB 5.0.3+, MySQL 5.0.3+ or PostgreSQL 8.1.4+ (See requirements on the [Wiki](https://wiki.dolibarr.org/index.php/Prerequisite))
 - Compatible with all Cloud solutions that match MySQL, PHP or PostgreSQL prerequisites.
 - APIs.
 - An easy to understand, maintain and develop code (PHP with no heavy framework; trigger and hook architecture)